Controlling device for oil burners



Dug, 9, 1924. 1,518,298

E. A. BASEL y I CONTROLLIG DEVICE FOR OIL BURNERS Filed Jan. 9, 1922' Eye/7222;

rammed Dan 9, 1924., 1,518,298

UNITED sTATEs PATENT OFFICE.

ELI A. BASEL, F KANSAS CITY, :MISSOURI CONTROLLING DEVICE FOB OL BURERS.

Application filed JanuaryD 9, 1922. Serial No. 528,062.

To all wlwm it may camera:

lBe it known that l, ELI A. BASEL, a citizen of the United States, and resident of Kansas City, county of Jackson, State of Missouri, o have invented a certain new and useful lmrovement in Controlling Devices for Uil urners, of which the following is a vcomplete specification. i

rlFhe present invention relates to valve l@ mechanisms, and aims to provide an improved valve structure especially designed for use in controlling the dow of fuel to burner devices, such as burners using fuel in either liquid or gaseous form. v

@ne of the primary objects of the invention is to devise a valve mechanism in which all packing elements are eliminated, so that the friction attending .the operation of the valve will be reduced as much as possible, and at the same time the valve structure kept free from any leaking tendency.

To this end, I have devised a valve mechan ism for controlling the flow of the fuel in the fuel line, and equip the valve with a diaphragm which tends to hold the valve normally in a predetermined position, and is adapted to be manually controlled for actuating the valve in opposition to the action of the diaphragm ln its preferred 3c form, the valve is carried by the diaphragm, and maintained thereby normally in an own position for permitting the passage ofthe fuel to the burner.

Further objects of the invention are to provide a valve structure which is well suited forcontrol and operation by both manual means and thermostatically operated systems for maintaining an automatic regulation of the burner to which the valve is to connected; also to include vin connection with the valve structure an automatic 'cuto' device which will serve to promptly close the valve in response to the weight of a given amount or quantity of oil overflowing from theburner.

With the foregoing general objects in view, the invention will now be described by reference to theaccompanying drawing illustrating certain suitable embodiments of the invention which has been found to be practical, after which` those features therein deemed to be novel will be particularly set ber 6 of suitable HeXible material, such as p light sheet metal. Wit-h the casing section 5 is connected a suitable intake pipe 11 for the fuel which is conducted by way of a valve port 8 controlled by a needle valve 9 carried centrally by the diaphragm member 6; from the pipe 11 the fuel is conducted through a chamber 10 past the valve 9 and through the casing section 5 to the outlet `pipe 7 leading to the burner (not shown),

said pipe 11 being i-tted with a suitable screen element 12, as shown in Figure 2. 'lhe valve 9 is so fitted to the diaphragm member 6 as to 'be maintained by the latter normally i'n open position, as represented in Figure 2, and on the opposite or front face of the diaphragm the stem of said valve is adapted to be engaged by an operating rod 1t, for the suitable regulation of the position of the valve. This rod 414 is mounted in aninwardly projecting bearing portion 15, and the outer portion of the rod is threaded through a sleeve 16, which in turn is threaded into a socket 17 projecting outwardly from the casin section t in line with the axis of the va ve. The outer end of the sleeve 16 carries a suitable dial member 18, around which the bent handle portion 19 f a coil spring 20 being interposed between said handle and the outer face of the dial to act frictionally to prevent any casual turning of the rod. To the sleeve 16 at the rear of the dial member 18 is also secured an arm 21 carrying a counter-weight 22 (see Figure `the rod 1l is adapted to operate as an index,

l) and connected with a chain 23 leading to any suitable form of thermostatic system (not shown) which may be adopted for the automatic control of the valve.

Pivotally connected, as indicated at 25, to the interior of the casing section 4 is a lever 26 formed with an intermediate opening 27 for clearing the inner end of the rod 14, w ich portion of said lever is also engaged by a coil spring 28 surrounding the bearing portion 15 and tending to actuate said lever in .the direction of the diaphragm member 6 for forcing the valve 9 into closed position. The lever 26 is maintained normally in retracted position to permit opening of the valve by a pair of toggle links 29 and 30, the latter being pivoted, as at 31, to the outer end of the lever 26, while the link 29 is pivoted as lat 32, to a lug 33 depending from the casing section 5, as shown in Figure 2. To one of said links, at lthe toggle joint 34, is attached a hook element 35 for supporting a suitable receptacle 36 in position to receive any overflow of oil from the burnerl dripping from an overflow pipe 37 connected with the burner proper. The straightened position of the toggle link is regulated by a stop or limiting screw 38, by the manipulation of which the amount of oil or liquid fuel overflowing into the receptacle 36 required for the release of the lever 26 may obviously be varied.

The casing section 5 is provided with a drain cock 39 so that the contents may be drained off vat any time and any sediment collecting on the interior of said casing removed.

By means of the above described construction, it will be apparent that a packingless valve structure is provided, and that a much smoother and freer action of the valve control is provided by-mounting the same upon a diaphragm which maintains the valve normally open, and yet is free for action in response to the means provided for actuating the diaphragm for closing the valve either manually or automaticallyV by the thermostat control. In case the burner should overflow, the overflowing fuel will be conducted to the receptacley 36, and after a given amount of overflow the weight of the receptacle and its contents will break the toggle joint and will thus automatically release the lever 26 into engagement with the diaphragm member 6, thereby closing the valve and shutting ofl' any further flow of the fuel.

Referring now to the structure illustrated in Figure 3, this illustrates the improved valve structure as modified to adapt the same for use in connection with a high pressure or gas-generating form of burner 40 having the fuel passage 41 occupying a position in the flame zone of the burner for the purpose of vaporizing the fuel as received from the fuel line 42, before it iS allowed to be diS- charged from the jet opening 43 communieating with the valve passage 44 controlled by the needle valve 45. This form of burner Iequiresthe fuel discharge to be regulated at the flame zone, in order to maintain the required pressure, as is well understood, and

a different form of control connections is re quired to enable the same to be regulated from the exterior of the furnace. Accordingly, I provide a casing 46 and a plate member 47 for securing the diaphragm member 6 in position for supporting the needle valve stein in line with the valve passage 44, said valve stem operating through a sleeve 48 extending centrally through the burner pan 49 and attached centrally to the plate 47. An overflow pipe 50 connects said burner pan 49 with the interior of the casing 46. The diaphragm member, in this instance, is reinforced by the action of a coil spring 52, the tension of which may be regu lated by means of an adjusting screw 53 threaded through the casing 46 in line with the axis of the valve stem 45. Mounted slidingly upon the valve stem 45 is a spool 54 engaged by the yoke portion of a bell crank lever 55 pivoted, as indicated at 56, to the interior ofthe casing 46, one of the arms of which lever is pivotally connected to one end of an operating link or rod 57 extending through a tube 58 of suitable length and attached at one end to the casing 46 and at its other end .to a substantially spherical form of casing 59, where the corresponding end of the link or rod 57 abuts against a valveoperating rod 14 which is mounted and arranged in all respects similarly to the arrangement already illustrated and described in connection with Figures 1 and 2. Within the casing 59 is also mounted a diaphragm operating lever 26 actuated by a spring 28 and connected with toggle links 29 and 30 supporting an overflow receptacle 36 for the same purpose as regards releasing-the lever 26', in the closing of the valve, as already described.v In this form of the construction, the said overflow of oil is conducted by the tube 58 from the casing 46, into the interior of the casing 59, from which the overflow may be allowed to drip into the receptacle 36 by way of the overflow openings 60 and 61. With these several structural changes or modifications of the relative ositions of the different parts, made simply or accommodating the valve in the position required by`the different type of burner, it is apparent that the regulation of the valve either manually or thermostatically, including the automatic closing of the valve by the action ofthe cut-off accomplished by the tripping of the lever 26', are in all respects similar to the operation of the construction shown in Figures 1 and 2.

While I have illustrated and described what I have found to represent thoroughly emcient and practical forms of embodiment of the proposed improvements, I desire to expressly reserve the right to make such changes or modifications as may properly fall within the scope of the appended claims.

What l claim 1s:

1. Valve mechanism for burners comprising, in combination with a burner fuel passage, a valve controlling the How of fuel through said passage, means tending to hold said valve normally in open position, a remote-control valve-operating connection for regulating said valve, and automatic cut-od means adapted to operate automatically in response to a given weight of oil overflowing from the burner to close said valve independently of said remote-control connection.

2. Valve mechanism for burners comprising, in combination With a burner fuel passage, a valve controlling the How of fuel through said passage, means tending to hold said valve normally in open position, manually operable means for regulating said valve and adapted to maintain the saine in either partially open or fully closed position, and automatic cut-od" means including a bucket adapted to receive and retain oil over- Hovving from the burner, said last means operating automatically in response to a given Weight of oil received in said bucket to move and maintain said valve in fully closed position.;

3. Valve mechanism for burners comprising, in combination With a burner fuel passage, means tendin to hold said valve normally in open position, manually operable means for regulating said valve, a remotecontrol valve operating connection for regulating the valve, and automatic cut-od means operating automatically in response to a given v'veight of oil overdowing from the burner to close said valve independently of either said manual meansl or remote-control connection.

4l. Valve mechanism for burners comprising, in combination With a burner fuel passage, a valve controlling the How of fuel through said passage and provided with a flexible diaphragm tending to hold the valve normally in open position, a manually operable thrust rod for actuatingosaid valve in opposition to said diaphragm, and automatic valve-operating means connected with said thrust rod for actuating the same to automatically close said valve.

5. Valve mechanism for burners comprising, in combination with a burner fuel passage, a valve controlling the flow of fuel through said passage, a spring-actuated member tending to close said valve, a receptacle for receiving oil overflowing from the "burner, and a toggle device having its toggle joint supporting said receptacle" and serving t0 maintain said wspring-actuated member normally inoperative, said toggle joint through said passage, a spring-actuated member tending to close said valve, a toggle device maintaining said member normally inoperative and having its toggle joint supporting a receptacle for receiving oil overflowing from the burner, said device being adapted to be tripped by a given Weight of oil in said receptacle to release said springactuated member, and an adjusting element for regulating the sensitiveness of the tripping action of said toggle device.

'i'. Valve mechanism for burners comprising, in combination with a burner fuel passage, a valve controllin the How of fuel through said passage, a iaphragm connected with said valve and tending to hold the same innorinally open position, and means adapted to be set in operation by the weight of oil overowing from the burner to close said valve.

8. Valve mechanism for burners comprising, in combination with a burner fuel passage, a valve controlling the How of fuel through said passage and provided with a exible diaphragm tending to hold the valve normally in open-position, a spring-actuated member adapted to close the valve in opposition to said diaphragm, and means adapted to be set in operation by the weight of oil overdovving from the burner to release said sprin -actuated member.

9. alve mechanism for burners comprising, in combination with a burner fuel passage, a valve controlling the How of fuel through said passage and provided with a flexible diaphragm tending to hold" the valve normallyin open, position, a spring-actuated member adapted to close the valve in opposition to said'diaphragm, a receptacle for receiving oil overow'ing from the burner, and atoggle device supportin said receptacle and adapted to be actuate in response to a given weight of oil therein to release said spring-actuated member.

l0. Valve mechanism for burners compris- Aing, in combination with a burner fuel passage, a valve controlling the flow of fuel through said passage, a dia hragm connected with said valve and ten ing to hold the same normally in open position, manually operable means for regulating said .valve, and means ada ted to be set in operation by v the weight of oil overowing from the burner .to yclose said valve independently of saidl manually operable means.

11. Valve mechanism for burners comprising, in combination with a burner fuel passage, a valve controll1n0 the dow of fuel through said passage, a diaphragm connected with said valve and tending to hold the same normally in open position, manually operable means for regulating said valve, and a remote-control valve operating connection operable frictionally through the medium of said manual means for regulating lthel valve, said manual means and remote-control connectionbeing adapted for relative independent adjustment for` regulation of the valve b said manual means independently of sai remote-control connection.v

In Witness whereof I hereunto ax m I lsignature.

ELI A. BASEL. 

